/* =========================================================
   9LISTENING — 9ls-demo.css
   CSS RIÊNG của trang Demo (template page-9ls-demo.php).
   Phụ thuộc 9ls-core.css: tokens, body, .wrap, .btn, .kicker,
   .header/.nav/.logo/.menu-toggle, .footer  — KHÔNG khai lại ở đây.
   ========================================================= */

/* 3 token trang này cần thêm ngoài bộ có sẵn trong core */
:root{
  --muted-2:#544B42;
  --blue:#2C5A8A;
  --blue-soft:#EAF1F8;
}

/* cột hẹp cho phần chữ (core .wrap = 1120/1180px) */
.wrap-narrow{width:min(860px,calc(100% - 44px));margin-inline:auto}
.demo-hero{
  padding:clamp(38px,6vw,58px) 0 clamp(20px,3vw,28px);
  background:none;      /* core .hero (trang chủ) có gradient — trang demo dùng nền kem */
  border-bottom:0;
}
.demo-hero h1{font-family:'Manrope',var(--sans);font-weight:800;font-size:clamp(27px,4.2vw,40px);line-height:1.26;letter-spacing:-.015em;max-width:20ch}
.demo-hero h1 .hl{background:var(--yellow);border-radius:9px;padding:.02em .16em .06em;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.demo-hero p{margin-top:12px;color:var(--muted-2);font-weight:500;font-size:16px;max-width:56ch}

/* grid dạng bài */
.types{padding:0 0 clamp(46px,6vw,72px)}
.type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.type-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.type-grid{grid-template-columns:1fr}}

.tcard{position:relative;display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--frame);border-radius:16px;overflow:hidden;box-shadow:0 8px 24px rgba(20,42,76,.06);transition:border-color .16s,transform .16s,box-shadow .16s}
.tcard:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 20px 44px rgba(232,89,12,.18)}
.tcard:has(.tlink:focus-visible){border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,89,12,.35)}
.tshot{position:relative;background:#fff;border-bottom:1px solid var(--frame);overflow:hidden}
.tshot img{display:block;width:100%;height:132px;object-fit:cover;object-position:top center;transition:transform .4s cubic-bezier(.2,.8,.2,1)}
.tcard:hover .tshot img{transform:scale(1.06)}
.tshot::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(232,89,12,0) 52%,rgba(232,89,12,.14));opacity:0;transition:opacity .28s}
.tcard:hover .tshot::after{opacity:1}
.tbody{padding:16px 17px 17px;display:flex;flex-direction:column;flex:1}
.tbody h3{font-family:'Manrope',var(--sans);font-weight:800;font-size:17.5px;line-height:1.3;letter-spacing:-.012em;transition:color .16s}
.tcard:hover .tbody h3{color:var(--accent-dark)}
.tbody p{font-size:14px;font-weight:500;color:var(--ink-2);line-height:1.55;margin-top:6px;flex:1}
.tgo{align-self:flex-start;margin-top:14px;gap:7px;font-weight:800;transition:background .16s}
.tcard:hover .tgo{background:linear-gradient(135deg,#B54708,#8F3806)}
.tgo i{font-style:normal;display:inline-block;transition:transform .2s cubic-bezier(.2,.8,.2,1)}
.tcard:hover .tgo i{transform:translateX(5px)}
.tlink{position:absolute;inset:0;z-index:2;text-indent:-999em;overflow:hidden}

/* section kỹ năng */
.skills{border-top:1px solid var(--frame);padding:clamp(46px,6vw,72px) 0 clamp(26px,4vw,36px);background:rgba(255,255,255,.4)}
.sk-head{max-width:60ch;margin-bottom:clamp(26px,4vw,38px)}
.kicker{display:inline-block;font-family:'Manrope',var(--sans);font-weight:700;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-dark);background:rgba(255,255,255,.65);border:1px solid var(--frame);border-radius:999px;padding:6px 13px;margin-bottom:14px}
.sk-head h2{font-family:'Manrope',var(--sans);font-weight:800;font-size:clamp(23px,3.4vw,34px);line-height:1.26;letter-spacing:-.015em}
.sk-head h2 .hl{background:var(--yellow);border-radius:9px;padding:.02em .16em .06em;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.sk-head p{margin-top:13px;color:var(--muted-2);font-weight:500;font-size:16px}

.sk-list{display:flex;flex-direction:column;gap:16px}
.sk{display:grid;grid-template-columns:54px 1fr;gap:0 18px;background:var(--paper);border:1px solid var(--frame);border-radius:16px;padding:20px 22px;box-shadow:0 8px 24px rgba(20,42,76,.05)}
.sk-num{font-family:'Manrope',var(--sans);font-weight:800;font-size:15px;color:#fff;width:38px;height:38px;border-radius:11px;display:grid;place-items:center}
.sk:nth-child(1) .sk-num{background:var(--accent)}
.sk:nth-child(2) .sk-num{background:var(--blue)}
.sk:nth-child(3) .sk-num{background:var(--green)}
.sk h3{font-family:'Manrope',var(--sans);font-weight:800;font-size:19px;line-height:1.3;letter-spacing:-.01em}
.sk>div>p{font-size:15px;font-weight:500;color:var(--ink-2);margin-top:6px}
.sk-where{display:flex;gap:8px;align-items:baseline;margin-top:10px;font-size:14px;font-weight:500;color:var(--muted-2)}
.sk-where b{font-family:'Manrope',var(--sans);font-weight:700;color:var(--ink-2);white-space:nowrap}
.sk-types{display:flex;flex-wrap:wrap;gap:6px;margin-top:11px}
.sk-types span{font-family:'Manrope',var(--sans);font-weight:700;font-size:12px;color:var(--ink-2);background:var(--cream);border:1px solid var(--frame);border-radius:7px;padding:4px 9px}
.sk-types span.soon{color:var(--muted);border-style:dashed}

/* thuật toán phân phối bài */
.algo{border-top:1px solid var(--frame);padding:clamp(46px,6vw,72px) 0 clamp(50px,7vw,76px)}
.rules{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:clamp(22px,3vw,30px)}
@media(max-width:760px){.rules{grid-template-columns:1fr}}
.rule{background:var(--paper);border:1px solid var(--frame);border-radius:16px;padding:20px 22px;box-shadow:0 8px 24px rgba(20,42,76,.05)}
.rule-n{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--red-soft);color:var(--accent-dark);font-family:'Manrope',var(--sans);font-weight:800;font-size:13px;margin-bottom:11px}
.rule h3{font-family:'Manrope',var(--sans);font-weight:800;font-size:17.5px;line-height:1.3;letter-spacing:-.012em}
.rule-sub{display:block;margin-top:4px;font-family:'Manrope',var(--sans);font-weight:700;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-dark)}
.rule-do{margin-top:12px;padding:11px 13px;background:var(--cream);border-left:3px solid var(--accent);border-radius:0 10px 10px 0}
.rule-do p{margin-top:0;font-size:13.8px}
.rule-do b.k{font-family:'Manrope',var(--sans);font-weight:800;color:var(--accent-dark)}
.rule p{font-size:14.5px;font-weight:500;color:var(--ink-2);line-height:1.6;margin-top:6px}
.rule p b{font-weight:700}
.rule-viz{margin-top:14px;padding-top:14px;border-top:1px dashed var(--frame)}
.plvl{margin-bottom:9px}
.plvl:last-child{margin-bottom:0}
.plvl-head{display:flex;justify-content:space-between;gap:10px;font-family:'Manrope',var(--sans);font-weight:700;font-size:12px;color:var(--ink-2);margin-bottom:5px}
.plvl-head span{color:var(--muted-2)}
.plvl-track{height:7px;background:#EBE4D9;border-radius:99px;overflow:hidden}
.plvl-fill{display:block;height:100%;border-radius:99px;width:0;transition:width .9s cubic-bezier(.2,.8,.2,1)}

.pro{display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;background:var(--ink);border-radius:18px;padding:clamp(22px,3.4vw,30px) clamp(22px,3.4vw,34px)}
.pro-t{font-family:'Manrope',var(--sans);font-weight:800;font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:#F5C25C;display:block;margin-bottom:8px}
.pro>div{flex:1 1 400px;min-width:0}
.pro h3{font-family:'Manrope',var(--sans);font-weight:800;font-size:clamp(19px,2.5vw,24px);line-height:1.32;color:#fff;letter-spacing:-.015em;max-width:24ch}
.pro h3 em{font-style:normal;color:var(--yellow)}
.pro p{margin-top:8px;font-size:14px;font-weight:500;color:#CFC7BC;max-width:42ch}
.pro .btn{flex:0 0 auto;padding:14px 26px;font-size:15px}
@media(max-width:640px){.pro .btn{width:100%}}

/* Thiết bị cảm ứng: không có hover -> nút xem ảnh luôn hiện */
@media (hover:none){
    .tcard:active{transform:translateY(-2px);border-color:var(--accent)}
}
@media (prefers-reduced-motion:reduce){
  .tcard,.tcard:hover,.tshot img,.tcard:hover .tshot img,.tgo i,.tcard:hover .tgo i,.plvl-fill{transition:none;transform:none}
}